Question: A material was tested at steady fully reversed loading to determine the number of cycles to failure using 100 specimens. The results were Where L

A material was tested at steady fully reversed loading to determine the number of cycles to failure using 100 specimens. The results were

Where L is the life in cycles and f is the number in each class. Assuming a lognormal distribution, plot the theoretical PDF and the histographic PDF for comparison.

(10-3)13.05 3.55 4.05 4.55 5,05 5.55 6.05 6.55 7.05 7.55 8.05 8.55 9.05 9.55 10.05 3 76 21 13 13 6 2 043 0 01

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